package main

import "fmt"

func main() {
	var a [5]int
	a[4] = 100
	fmt.Println(a[4],len(a))

	b:= [5]int{1,2,3,4,5}
	fmt.Println(b)

	var twoD [2][3]int
	for i:= 0;i<2;i++{
		for j:=0;j<3;j++{
			twoD[i][j] = i+j
		}
	}
	fmt.Println("2d:",twoD)
}
